1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0866c4c0baa2c543fec9c9d207f22d36996411a00956c9ff5e88fde76c7091. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c01fe13d-3ce3-4ef1-a37e-44f0920ae182.json and https://artists.proofprofile.net/proofs/artist/c01fe13d-3ce3-4ef1-a37e-44f0920ae182.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Girl with a Pearl Earring (Original Soundtrack Recording)
Desplat: Colours in the Clouds - Strings
Desplat: Girl with a Pearl Earring - Reprise